| /* |
| * Copyright © 2013 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| * |
| * Authors: |
| * Ville Syrjälä <ville.syrjala@linux.intel.com> |
| * |
| */ |
| |
| #include "igt.h" |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <fcntl.h> |
| #include <inttypes.h> |
| #include <errno.h> |
| #include <limits.h> |
| #include <sys/stat.h> |
| #include <sys/ioctl.h> |
| #include "drm.h" |
| |
| IGT_TEST_DESCRIPTION("Check that max fence stride works."); |
| |
| static void do_test_invalid_tiling(int fd, uint32_t handle, int tiling, int stride) |
| { |
| igt_assert(__gem_set_tiling(fd, handle, tiling, tiling ? stride : 0) == -EINVAL); |
| } |
| |
| static void test_invalid_tiling(int fd, uint32_t handle, int stride) |
| { |
| do_test_invalid_tiling(fd, handle, I915_TILING_X, stride); |
| do_test_invalid_tiling(fd, handle, I915_TILING_Y, stride); |
| } |
| |
| /** |
| * Testcase: Check that max fence stride works |
| */ |
| |
| igt_simple_main |
| { |
| int fd; |
| uint32_t *ptr; |
| uint32_t *data; |
| uint32_t handle; |
| uint32_t stride; |
| uint32_t size; |
| uint32_t devid; |
| int i = 0, x, y; |
| int tile_width = 512; |
| int tile_height = 8; |
| |
| fd = drm_open_driver(DRIVER_INTEL); |
| |
| devid = intel_get_drm_devid(fd); |
| |
| if (intel_gen(devid) >= 7) |
| stride = 256 * 1024; |
| else if (intel_gen(devid) >= 4) |
| stride = 128 * 1024; |
| else { |
| if (IS_GEN2(devid)) { |
| tile_width = 128; |
| tile_height = 16; |
| } |
| stride = 8 * 1024; |
| } |
| |
| size = stride * tile_height; |
| |
| data = malloc(size); |
| igt_assert(data); |
| |
| /* Fill each line with the line number */ |
| for (y = 0; y < tile_height; y++) { |
| for (x = 0; x < stride / 4; x++) |
| data[i++] = y; |
| } |
| |
| handle = gem_create(fd, size); |
| |
| ptr = gem_mmap__gtt(fd, handle, size, PROT_READ | PROT_WRITE); |
| |
| test_invalid_tiling(fd, handle, 0); |
| test_invalid_tiling(fd, handle, 64); |
| test_invalid_tiling(fd, handle, stride - 1); |
| test_invalid_tiling(fd, handle, stride + 1); |
| test_invalid_tiling(fd, handle, stride + 127); |
| test_invalid_tiling(fd, handle, stride + 128); |
| test_invalid_tiling(fd, handle, stride + tile_width - 1); |
| test_invalid_tiling(fd, handle, stride + tile_width); |
| test_invalid_tiling(fd, handle, stride * 2); |
| test_invalid_tiling(fd, handle, INT_MAX); |
| test_invalid_tiling(fd, handle, UINT_MAX); |
| |
| gem_set_tiling(fd, handle, I915_TILING_X, stride); |
| |
| gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); |
| |
| memcpy(ptr, data, size); |
| |
| gem_set_tiling(fd, handle, I915_TILING_NONE, 0); |
| |
| memcpy(data, ptr, size); |
| |
| /* Check that each tile contains the expected pattern */ |
| for (i = 0; i < size / 4; ) { |
| for (y = 0; y < tile_height; y++) { |
| for (x = 0; x < tile_width / 4; x++) { |
| igt_assert(y == data[i]); |
| i++; |
| } |
| } |
| } |
| |
| munmap(ptr, size); |
| |
| close(fd); |
| } |